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1-Butyl-3-methylimidazolium hexafluorophosphate

1-Butyl-3-methylimidazolium hexafluorophosphate Struktur
174501-64-5
CAS-Nr.
174501-64-5
Englisch Name:
1-Butyl-3-methylimidazolium hexafluorophosphate
Synonyma:
BMIMPF6;1-butyl-3-methylimidazolium hexafluorophsphate;1-N-BUTYL-3-METHYLIMIDAZOLIUM HEXAFLUOROPHOSPHATE;SKL1399;-3-methyL;ium hexafL;JACS-174501-64-5;1-BUTYL-3-METHYLIMIDAZOLIUM HEXAFLUOROPH;1-BUTYL-3-METHYL-IMIDAZOLIUM HEXAFLUOROP;Butylmethylimidazolium Hexafluorophosphate
CBNumber:
CB6203652
Summenformel:
C8H15F6N2P
Molgewicht:
284.18
MOL-Datei:
174501-64-5.mol

1-Butyl-3-methylimidazolium hexafluorophosphate Eigenschaften

Schmelzpunkt:
6.5 °C
Siedepunkt:
>340°C
Dichte
1.38 g/mL at 20 °C (lit.)
Brechungsindex
n20/D 1.41
Flammpunkt:
>350°C
storage temp. 
Store below +30°C.
L?slichkeit
Acetone, Methanol
Aggregatzustand
Viscous Liquid
Wichte
1.396
Farbe
Clear colorless to pale yellow
PH
5 (H2O, 20℃)
Wasserl?slichkeit
Miscible with dichloromethane, chloroform, ethyl acetate. Immiscible with water, diethyl ether and hexane.
Hydrolytic Sensitivity
4: no reaction with water under neutral conditions
Merck 
14,1581
InChIKey
IXQYBUDWDLYNMA-UHFFFAOYSA-N
CAS Datenbank
174501-64-5(CAS DataBase Reference)
ECW
4.2 V
Sicherheit
  • Risiko- und Sicherheitserkl?rung
  • Gefahreninformationscode (GHS)
Kennzeichnung gef?hrlicher Xi,Xn
R-S?tze: 36/37/38-22
S-S?tze: 26-37/39
WGK Germany  3
3-10
TSCA  No
HazardClass  IRRITANT
HS Code  29339900
Bildanzeige (GHS) GHS hazard pictograms
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H315 Verursacht Hautreizungen. Hautreizung Kategorie 2 Warnung GHS hazard pictogramssrc="/GHS07.jpg" width="20" height="20" /> P264, P280, P302+P352, P321,P332+P313, P362
H319 Verursacht schwere Augenreizung. Schwere Augenreizung Kategorie 2 Warnung GHS hazard pictogramssrc="/GHS07.jpg" width="20" height="20" /> P264, P280, P305+P351+P338,P337+P313P
Sicherheit
P264 Nach Gebrauch gründlich waschen.
P264 Nach Gebrauch gründlich waschen.
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.
P302+P352 BEI BERüHRUNG MIT DER HAUT: Mit viel Wasser/... (Hersteller kann, falls zweckm??ig, ein Reinigungsmittel angeben oder, wenn Wasser eindeutig ungeeignet ist, ein alternatives Mittel empfehlen) waschen.
P305+P351+P338 BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach M?glichkeit entfernen. Weiter spülen.
P332+P313 Bei Hautreizung: ?rztlichen Rat einholen/?rztliche Hilfe hinzuziehen.
P337+P313 Bei anhaltender Augenreizung: ?rztlichen Rat einholen/?rztliche Hilfe hinzuziehen.

1-Butyl-3-methylimidazolium hexafluorophosphate Chemische Eigenschaften,Einsatz,Produktion Methoden

R-S?tze Betriebsanweisung:

R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R22:Gesundheitssch?dlich beim Verschlucken.

S-S?tze Betriebsanweisung:

S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.

Chemische Eigenschaften

Clear pale yellow oil

Verwenden

those consisting of tetrafluoroborate, alkylsulfate, alkylsulfonate, carboxylate, or phosphate anions are hydrophilic and are completely dissolved in water. Dupont and coworkers first reported stable hydrophobic imidazolium salt, 1-butyl-3-methylimidazolium hexafluorophosphate ([C4mim][PF6]) in 1996. Since then, this salt has been used as a typical hydrophobic IL in many chemical reactions because its mixture with water forms a biphasic layer. Furthermore, this IL shows poor solubility in hexane or ether, which allows realization of an easy work-up process. However, [C4mim][PF6] was reported to be sensitive to the moisture at high temperature and produced hazardous hydrogen fluoride as it decomposed. Therefore, bis(trifluoromethanesulfonyl)amide (NTf2) salts are now recommended as the anion for preparing hydrophobic ILs.

Allgemeine Beschreibung

1-Butyl-3-methylimidazolium hexafluorophosphate is an imidazolium-based, hydrophobic, room temperature ionic liquid (RTIL). It can be prepared by reacting 1-methylimidazole with chlorobutane. Gaseous hydrofluorocarbons (HFCs) such as fluoromethane, fluoroethane and 1,1,2,2-tetrafluoroethane are soluble in BMIMPF6.

Synthese

81.89 g (1.0 mol) of 1-methylimidazole, 128.95 g (1.0 mol) of and 92.0 g (1.0 mol) of potassium hexafluorophosphate in a 500 ml three-necked round bottom flask with a reflux condenser at 80 °C for 12 h. 1-bromobutane De-ionized water (100 ml) was added and a bi-phase was formed. The immiscible ionic liquid layer was separated from the water phase with a separating funnel. The ionic liquid was washed with de-ionized water (2 × 50 ml) until the water phase did not react with 0.001 M aqueous silver nitrate (AgNO3). Diethyl ether(2 × 30ml) was added to the ionic liquid and separated in a separating funnel. The ionic liquid 1-Butyl-3-methylimidazolium hexafluorophosphate was dried in a vacuum for 2 h. A colourless liquid was obtained Yield (86 per cent). 1H NMRof the ionic liquid sample (300MHz, DMSO) contains peaks at δ: 9.05 (s, 1H-imidazole), 7.77 (s, 1H-imidazole), 7.65 (s, 1H-imidazole),4.16 (s, N–CH3), 3.8 (s, N–methyl), 1.8 (s, CH2), 1.30 (s, CH2), and 0.92(t, methyl).

Einzelnachweise

[1] Shaukat Ali Mazari . “Prediction of thermo-physical properties of 1-Butyl-3-methylimidazolium hexafluorophosphate for CO2 capture using machine learning models.” Journal of Molecular Liquids 327 (2021): Article 114785.

1-Butyl-3-methylimidazolium hexafluorophosphate Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


1-Butyl-3-methylimidazolium hexafluorophosphate Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

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174501-64-5()Verwandte Suche:


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  • C8H17F6N2P
  • C8H15N2.F6P
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  • C8H15N2PF6
  • C8H16F6N2P
  • Imidazolium
  • Imidazolium Compounds
  • Ionic Liquids
  • Imidazolium Salts (Ionic Liquids)
  • Ionic liquid
  • Imidazolium Compounds
  • Imidazolium Salts (Ionic Liquids)
  • Ionic Liquids
  • Synthetic Organic Chemistry
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